CA2020372A1 - Optical reconstruction filter for color mosaic displays - Google Patents
Optical reconstruction filter for color mosaic displaysInfo
- Publication number
- CA2020372A1 CA2020372A1 CA002020372A CA2020372A CA2020372A1 CA 2020372 A1 CA2020372 A1 CA 2020372A1 CA 002020372 A CA002020372 A CA 002020372A CA 2020372 A CA2020372 A CA 2020372A CA 2020372 A1 CA2020372 A1 CA 2020372A1
- Authority
- CA
- Canada
- Prior art keywords
- reconstruction filter
- optical reconstruction
- color mosaic
- mosaic displays
- viewer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1842—Gratings for image generation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
- G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating
Abstract
An optical reconstruction filter in the form of a phase diffraction grating (that is, a diffractive diffuser) placed between a flat panel liquid crystal color matrix display and a viewer to optically filter flat panel images and present a higher quality image to the viewer.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/382,514 | 1989-07-20 | ||
US07382514 US5046827C1 (en) | 1989-07-20 | 1989-07-20 | Optical reconstruction filter for color mosaic displays |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2020372A1 true CA2020372A1 (en) | 1991-01-21 |
CA2020372C CA2020372C (en) | 2001-09-11 |
Family
ID=23509293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002020372A Expired - Lifetime CA2020372C (en) | 1989-07-20 | 1990-07-04 | Optical reconstruction filter for color mosaic displays |
Country Status (7)
Country | Link |
---|---|
US (1) | US5046827C1 (en) |
EP (1) | EP0409188B1 (en) |
JP (1) | JP3184978B2 (en) |
KR (1) | KR100223380B1 (en) |
CA (1) | CA2020372C (en) |
DE (1) | DE69024120T2 (en) |
FI (1) | FI903645A0 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7439683B2 (en) | 2003-05-21 | 2008-10-21 | Pure Depth Limited | Backlighting system for display screen |
US9721378B2 (en) | 2001-10-11 | 2017-08-01 | Pure Depth Limited | Display interposing a physical object within a three-dimensional volumetric space |
Families Citing this family (71)
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US5300942A (en) * | 1987-12-31 | 1994-04-05 | Projectavision Incorporated | High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines |
JPH03289692A (en) * | 1990-04-06 | 1991-12-19 | Matsushita Electric Ind Co Ltd | Spatial light modulation element and hologram image recording device using same |
DE4132902C2 (en) * | 1991-10-04 | 2001-08-02 | Optrex Europ Gmbh | Liquid crystal display |
US5864326A (en) * | 1992-02-07 | 1999-01-26 | I-O Display Systems Llc | Depixelated visual display |
US5303085A (en) | 1992-02-07 | 1994-04-12 | Rallison Richard D | Optically corrected helmet mounted display |
US6097543A (en) | 1992-02-07 | 2000-08-01 | I-O Display Systems Llc | Personal visual display |
US6219015B1 (en) * | 1992-04-28 | 2001-04-17 | The Board Of Directors Of The Leland Stanford, Junior University | Method and apparatus for using an array of grating light valves to produce multicolor optical images |
KR0120397B1 (en) * | 1992-04-28 | 1997-10-22 | 나카무라 히사오 | Image display apparatus |
JP3506144B2 (en) * | 1992-10-19 | 2004-03-15 | ソニー株式会社 | Image display device and optical filter for display device |
US5526022A (en) | 1993-01-06 | 1996-06-11 | Virtual I/O, Inc. | Sourceless orientation sensor |
US5757544A (en) * | 1993-03-09 | 1998-05-26 | Olympus Optical Co., Ltd. | Image display apparatus |
EP0618473A3 (en) * | 1993-03-31 | 1995-03-15 | Kuraray Co | Video device utilizing a two-dimensional diffraction grating. |
DE69429209T2 (en) * | 1993-06-01 | 2002-06-27 | Sharp Kk | Image display device with back lighting |
JPH07104276A (en) * | 1993-10-08 | 1995-04-21 | Olympus Optical Co Ltd | Liquid crystal display device |
US5991087A (en) * | 1993-11-12 | 1999-11-23 | I-O Display System Llc | Non-orthogonal plate in a virtual reality or heads up display |
AU7392794A (en) * | 1994-02-07 | 1995-08-21 | Virtual I/O, Inc. | Depixelated visual display |
US6160666A (en) | 1994-02-07 | 2000-12-12 | I-O Display Systems Llc | Personal visual display system |
US5629784A (en) * | 1994-04-12 | 1997-05-13 | Ois Optical Imaging Systems, Inc. | Liquid crystal display with holographic diffuser and prism sheet on viewer side |
US5550663A (en) * | 1994-05-24 | 1996-08-27 | Omron Corporation | Method of manufacturing optical low-pass filter |
JPH0821991A (en) * | 1994-07-08 | 1996-01-23 | Sony Corp | Picture display device |
JPH08114770A (en) * | 1994-08-26 | 1996-05-07 | Omron Corp | Optical low-pass filter and dot matrix display device utilizing the same |
EP0698804A3 (en) * | 1994-08-26 | 1998-09-02 | Omron Corporation | Optical low pass filter, polariser and liquid crystal display devices using such |
US5755501A (en) * | 1994-08-31 | 1998-05-26 | Omron Corporation | Image display device and optical low-pass filter |
US5903395A (en) | 1994-08-31 | 1999-05-11 | I-O Display Systems Llc | Personal visual display system |
US5737042A (en) * | 1994-08-31 | 1998-04-07 | Omron Corporation | Image display device with optical low-pass filter |
US6061110A (en) * | 1994-10-18 | 2000-05-09 | Kabushiki Kaisha Toshiba | Reflection type liquid crystal display device and method of manufacturing the same |
WO1996022590A1 (en) * | 1995-01-18 | 1996-07-25 | Virtual I/O, Inc. | Speckle depixelator |
DE19502727A1 (en) * | 1995-01-28 | 1996-08-01 | Heidenhain Gmbh Dr Johannes | Phase grating |
US5682266A (en) * | 1995-04-05 | 1997-10-28 | Eastman Kodak Company | Blur filter for eliminating aliasing in electrically sampled images |
US5991085A (en) | 1995-04-21 | 1999-11-23 | I-O Display Systems Llc | Head-mounted personal visual display apparatus with image generator and holder |
JP2951264B2 (en) * | 1995-05-24 | 1999-09-20 | 三洋電機株式会社 | 2D / 3D video compatible video display |
JP3268625B2 (en) * | 1995-08-11 | 2002-03-25 | シャープ株式会社 | 3D image display device |
JP3464570B2 (en) * | 1995-08-21 | 2003-11-10 | 株式会社 日立ディスプレイズ | Color liquid crystal display device |
USD383455S (en) * | 1995-08-31 | 1997-09-09 | Virtual I/O, Inc. | Head mounted display with headtracker |
US5721598A (en) * | 1995-12-26 | 1998-02-24 | Hughes Electronics | High efficiency, high color purity, on-axis holographic color filter and full-color liquid crystal display |
JPH11507144A (en) * | 1996-03-25 | 1999-06-22 | レインボー ディスプレイズ,インコーポレイティド | Tile type flat panel display with color correction capability |
IL118057A0 (en) * | 1996-04-29 | 1996-09-12 | Patir Research And Dev Limited | Optical phase element |
US5696371A (en) * | 1996-05-23 | 1997-12-09 | Eastman Kodak Company | Diffractive/refractive lenslet array |
US5751492A (en) * | 1996-06-14 | 1998-05-12 | Eastman Kodak Company | Diffractive/Refractive lenslet array incorporating a second aspheric surface |
GB2315902A (en) * | 1996-08-01 | 1998-02-11 | Sharp Kk | LIquid crystal device |
JP3683397B2 (en) * | 1997-07-02 | 2005-08-17 | 富士写真フイルム株式会社 | Color image data interpolation method and apparatus |
KR100262825B1 (en) * | 1997-08-13 | 2000-08-01 | 구자홍 | Projective display device |
US5903396A (en) * | 1997-10-17 | 1999-05-11 | I/O Display Systems, Llc | Intensified visual display |
US5963284A (en) * | 1998-04-01 | 1999-10-05 | Ois Optical Imaging Systems, Inc. | LCD with diffuser having diffusing particles therein located between polarizers |
WO2002041046A1 (en) | 2000-11-17 | 2002-05-23 | Deep Video Imaging Limited | Altering surface of display screen from matt to optically smooth |
KR100765308B1 (en) * | 2001-03-17 | 2007-10-09 | 삼성전자주식회사 | Liquid crystal display device |
NZ511255A (en) * | 2001-04-20 | 2003-12-19 | Deep Video Imaging Ltd | Multi-focal plane display having an optical retarder and a diffuser interposed between its screens |
US7253799B2 (en) * | 2001-06-30 | 2007-08-07 | Samsung Electronics Co., Ltd. | Backlight using planar hologram for flat display device |
NZ514119A (en) | 2001-09-11 | 2004-06-25 | Deep Video Imaging Ltd | Improvement to instrumentation |
US6636285B2 (en) | 2001-11-01 | 2003-10-21 | Motorola, Inc. | Reflective liquid crystal display with improved contrast |
AU2003217081A1 (en) * | 2002-03-17 | 2003-09-29 | Gareth Paul Bell | Optimising point spread function of spatial filter |
CA2492800C (en) * | 2002-07-15 | 2011-04-26 | Gareth Paul Bell | Improved multilayer video screen |
KR20040013753A (en) * | 2002-08-08 | 2004-02-14 | 삼성전자주식회사 | a panel and a liquid crystal display including the panel |
NZ521505A (en) | 2002-09-20 | 2005-05-27 | Deep Video Imaging Ltd | Multi-view display |
JP4216577B2 (en) * | 2002-12-20 | 2009-01-28 | シチズン電子株式会社 | Light guide plate |
US7414595B1 (en) | 2003-12-07 | 2008-08-19 | Advanced Simulation Displays Co. | Virtual mosaic wide field of view display system |
EP2038734A4 (en) * | 2006-06-02 | 2009-09-09 | Samsung Electronics Co Ltd | High dynamic contrast display system having multiple segmented backlight |
US20100033456A1 (en) * | 2007-05-14 | 2010-02-11 | Keisuke Yoshida | Display device and display method thereof |
EP2191657A1 (en) * | 2007-08-22 | 2010-06-02 | Pure Depth Limited | Determining a position for an interstitial diffuser for a multi-component display |
KR20090111583A (en) * | 2008-04-22 | 2009-10-27 | 삼성전자주식회사 | Display apparatus |
JP5437886B2 (en) * | 2009-04-06 | 2014-03-12 | 日東電工株式会社 | Liquid crystal display device and polarizing plate with condensing element |
TWI428666B (en) * | 2010-02-04 | 2014-03-01 | Innolux Corp | Liquid crystal panel module, backlight module and liquid crystal display |
TWI551917B (en) * | 2010-02-04 | 2016-10-01 | 群創光電股份有限公司 | Liquid crystal panel module and liquid crystal display |
JP2012247783A (en) * | 2011-05-30 | 2012-12-13 | Samsung Corning Precision Materials Co Ltd | Display device |
TWI625570B (en) * | 2012-03-14 | 2018-06-01 | 奇美材料科技股份有限公司 | Liquid crystal displayer |
KR102260184B1 (en) * | 2014-02-26 | 2021-06-04 | 삼성디스플레이 주식회사 | Cover window and display device having the same |
WO2015191949A1 (en) * | 2014-06-13 | 2015-12-17 | 3M Innovative Properties Company | Optical stacks for sparkle reduction |
AU2016235072A1 (en) | 2015-03-24 | 2017-10-19 | University Of Utah Research Foundation | Imaging device with image dispersing to create a spatially coded image |
CN106959510A (en) * | 2016-01-08 | 2017-07-18 | 京东方科技集团股份有限公司 | A kind of display device and virtual reality glasses |
KR102375975B1 (en) * | 2017-04-28 | 2022-03-17 | 삼성디스플레이 주식회사 | Display device, organic light emitting display device and head mount display device |
CN108983529A (en) | 2018-08-01 | 2018-12-11 | 京东方科技集团股份有限公司 | Display panel |
Family Cites Families (15)
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GB1290577A (en) * | 1970-02-24 | 1972-09-27 | ||
US3957354A (en) * | 1975-02-03 | 1976-05-18 | Rca Corporation | Diffractive subtractive color filtering technique |
US4105289A (en) * | 1976-04-29 | 1978-08-08 | University Patents, Inc. | Apparatus and method for image sampling |
US4251137A (en) * | 1977-09-28 | 1981-02-17 | Rca Corporation | Tunable diffractive subtractive filter |
US4389096A (en) * | 1977-12-27 | 1983-06-21 | Matsushita Electric Industrial Co., Ltd. | Image display apparatus of liquid crystal valve projection type |
US4255019A (en) * | 1979-04-09 | 1981-03-10 | Rca Corporation | Diffractive color filter |
US4397558A (en) * | 1981-03-02 | 1983-08-09 | The University Of Arizona Foundation | System for reducing the effects of background radiation |
JPS59214825A (en) * | 1983-05-20 | 1984-12-04 | Sanyo Electric Co Ltd | Color display device |
US4506949A (en) * | 1983-05-27 | 1985-03-26 | Rca Corporation | Diffractive color separation filter |
JPS6174247A (en) * | 1984-09-18 | 1986-04-16 | Sony Corp | Color cathode-ray tube |
DE3581498D1 (en) * | 1984-11-16 | 1991-02-28 | Matsushita Electric Ind Co Ltd | ACTIVE MATRIX CIRCUIT FOR LIQUID CRYSTAL DISPLAYS. |
US4751509A (en) * | 1985-06-04 | 1988-06-14 | Nec Corporation | Light valve for use in a color display unit with a diffraction grating assembly included in the valve |
JPS6255624A (en) * | 1985-09-03 | 1987-03-11 | Fujitsu Ltd | Liquid crystal display device |
US4800375A (en) * | 1986-10-24 | 1989-01-24 | Honeywell Inc. | Four color repetitive sequence matrix array for flat panel displays |
US4871232A (en) * | 1987-12-07 | 1989-10-03 | Hughes Aircraft Company | Method and apparatus for ultra high frequency spectrum analysis |
-
1989
- 1989-07-20 US US07382514 patent/US5046827C1/en not_active Expired - Lifetime
-
1990
- 1990-07-04 CA CA002020372A patent/CA2020372C/en not_active Expired - Lifetime
- 1990-07-18 DE DE69024120T patent/DE69024120T2/en not_active Expired - Lifetime
- 1990-07-18 EP EP90113727A patent/EP0409188B1/en not_active Expired - Lifetime
- 1990-07-19 KR KR1019900010943A patent/KR100223380B1/en not_active IP Right Cessation
- 1990-07-19 FI FI903645A patent/FI903645A0/en not_active Application Discontinuation
- 1990-07-20 JP JP19092690A patent/JP3184978B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9721378B2 (en) | 2001-10-11 | 2017-08-01 | Pure Depth Limited | Display interposing a physical object within a three-dimensional volumetric space |
US10262450B2 (en) | 2001-10-11 | 2019-04-16 | Pure Depth Limited | Display interposing a physical object within a three-dimensional volumetric space |
US7439683B2 (en) | 2003-05-21 | 2008-10-21 | Pure Depth Limited | Backlighting system for display screen |
Also Published As
Publication number | Publication date |
---|---|
US5046827A (en) | 1991-09-10 |
FI903645A0 (en) | 1990-07-19 |
KR100223380B1 (en) | 1999-10-15 |
DE69024120T2 (en) | 1996-07-25 |
CA2020372C (en) | 2001-09-11 |
EP0409188A3 (en) | 1991-12-27 |
JP3184978B2 (en) | 2001-07-09 |
US5046827C1 (en) | 2001-08-07 |
EP0409188B1 (en) | 1995-12-13 |
EP0409188A2 (en) | 1991-01-23 |
KR910003427A (en) | 1991-02-27 |
DE69024120D1 (en) | 1996-01-25 |
JPH03148622A (en) | 1991-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |